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Suppose an urn contains 10 red balls and 7 white balls and you draw 3 without replacement. If at least one of the balls drawn

Suppose an urn contains 10 red balls and 7 white balls and you draw 3 without replacement. If at least one of the balls drawn is white what is the probability that the other two are red? Leave your answer either in terms of binomial coefficients or as an unrounded decimal.

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